openwrt/target/linux/bcm27xx/patches-5.4/950-0259-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch
Álvaro Fernández Rojas 77e97abf12 bcm27xx: update to latest patches from RPi foundation
Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-05-28 19:12:43 +02:00

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Diff

From 44c7ff7864d931759efd307ef641f522c0a5bbdb Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Mon, 10 Jun 2019 16:32:51 +0100
Subject: [PATCH] drm/vc4: Remove 340MHz clock limit from FKMS now
scrambling issues resolved
Firmware TMDS scrambling is now being correctly configured, so
we can use it.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
drivers/gpu/drm/vc4/vc4_firmware_kms.c | 6 ------
1 file changed, 6 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -831,12 +831,6 @@ vc4_crtc_mode_valid(struct drm_crtc *crt
break;
}
- /* Limit the pixel clock until we can get dynamic HDMI 2.0 scrambling
- * working.
- */
- if (mode->clock > 340000)
- return MODE_CLOCK_HIGH;
-
return MODE_OK;
}